#footer {
    width: 100%;
    height: 189px;
    display: block;
    position: absolute;
    top: 1500px;
    margin-top: 100px;
    ul {
        width: 1200px;
        margin: 0 auto;
        li {
            float: left;
            display: block;
            width: 300px;
            text-align: center;
            a{
                color: black;
                font-size: 20px;
            }
        }
    }
}